Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.391
1992	59.534
1993	59.598
1994	59.659
1995	59.647
1996	59.774
1997	59.727
1998	59.886
1999	59.965
2000	59.91
2001	57.95
2002	57.22
2003	57.25
2004	55.11
2005	54.81
2006	58.09
2007	58.85
2008	59.59
2009	60.69
2010	63.37
2011	64.39
2012	64.79
2013	65.25
2014	69.27
2015	70.21
2016	69.91
2017	68.33
2018	67.05
2019	69.33
2020	69.68
2021	72.51
2022	72.53
2023	72.735